Nobody knows how long and how seriously the shakiness（不穩(wěn)定） of big businesses will （） down the economy.

An explosion is a sudden increase in amount（）

Shall we request the chairman（）our suggestion again?

Mr. Sanders has been asked to（）the next meeting of the committee.

He（）for military service against the wishes of his parents.

The noise of the traffic（）Paul from his work.

The aircraft vanished without（）

She had clearly no（）of doing any work, although she was very well paid.

The student's first attempt at writing a play was a far（）from the work of Shakespeare.

（）students often find it difficult to live in China at first.